31330 Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 150mm × 320mm × 75mm
- Dynamic Load (Cr) 810 kN
- Static Load (Cor) 1060 kN
- Weight 27.5 kg
Bearing Type
Technical Specifications
| ID | 150mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 320mm | Outside diameter(O.D.) |
| B | 75mm | Thickness |
| T | 82mm | Overall Height |
| Cr | 810kN | Radial dynamic load rating |
| Cor | 1060kN | Radial static load rating |
| Grease speed | Limiting speed (grease lubrication) | |
| Oil speed | Limiting speed(oil lubrication) | |
| Mass | 27.5Kg | Weight |
Material
GCr15 Bearing Steel (Customizable: GCr15 / GCr15SiMn / GCr18Mo / G20Cr2Ni4A)
Cage
Pressed steel cage (Customizable: Steel / Brass / Machined Brass)
Precision Rating
P0 (P0 / P6 / P5 / P4 available)
Clearance
Brand
WJY / OEM Available
Origin
Wafangdian, China (30+ years bearing manufacturing hub)
Quality Standard
OEM & Customization
Custom materials, cages, precision & clearance available.
Product Description
Tapered Roller Bearing 31330 belongs to the 313 Series - Enhanced Capacity (Single Row Tapered Roller Bearing), engineered for medium to heavy-duty radial and single-direction axial load applications. With a bore diameter of 150mm, outer diameter of 320mm, width of 75mm, and assembly height of 82mm, this medium-bore bearing is made of high-quality GCr15 steel for excellent durability and wear resistance.
Key features: enhanced load capacity, robust design, high durability. It has a basic dynamic load rating of 810kN and basic static load rating of 1060kN, ensuring reliable operation under high load conditions.
Typical Applications: mining machinery, construction equipment
Delivery & Service
Delivery Time
In-stock: 3–5 days; OEM/ODM: 20–35 days.
Shipping Methods
Ocean Freight / Land Transport
Warranty
12-month warranty, extendable to 18 months.
Pricing Information
Prices vary by precision & material. Please submit an inquiry for best quote.